Rachel Annabelle Riley is a British television presenter. She co-presents the Channel 4 daytime puzzle show Countdown and its comedy spin-off 8 Out of 10 Cats Does Countdown. She is a mathematics graduate.

The Gadget Show is a British television series which focused on consumer technology. The show, which was broadcast on Channel 5, was presented by Ortis Deley, with reports from Georgie Barrat and Jon Bentley.